Can't login to Summation/eDiscovery using a domain account

You receive the error "Server is not operational" or "Unable to sign in. Please try again or contact your application administrator." when trying to login to Summation/eDiscovery using Active Directory credentials.

Resolution

Confirm your Domain Controller is functional and online, and can be reached by the Summantion/eDiscovery servers

Confirm the domain username & password you're using are correct

Log in to Summation/eDiscovery using a non-domain Application Administrator account (typically the first-created "Administrator" account)

Go to Management > System Configuration > Active Directory

Correct any needed settings, including "Server" name, and click "Next" and "Save"